Electrical Maintenance Works at Various Divisions at CSIR-NIIST, Trivandrum-2025-26

Wiring for light point /fan/exhaust fan point/call bell point with 1.5 sq. mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc . as required. Group C

Wiring for circuit/ submain wiring along with earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required. 2 X 2.5 sq. mm + 1 X 2.5 sq.mm earth wire

Wiring for light/ power plug with 2X4 sq. mm FRLS PVC insulated copper conductor, single core cable in surface / recessed medium class PVC conduit along with 1 No. 4 sq. mm FLRS PVC insulated copper conductor, single core cable for loop earthing as required.

Supplying and fixing suitable size GI box with modular plate and cover in front on the surface or in recess, including providing and fixing 6 pin 5/6A & 15/16 A modular socket outlet and 15/16A modular switch, connections, etc. as required.

Supplying and fixing suitable size GI box with modular plate and cover in front on the surface or in recess, including providing and fixing 2 nos. 3 pin 5/6 A modular socket outlet and 2 nos. 5/6 A modular switch, connections etc. as required. (For light plugs to be used in non-residential buildings).

Supplying and fixing DP sheet steel enclosure on surface/ recess along with 16/25/32 A 415 V "C" curve DP MCB complete with connections, testing and commissioning etc. as required.

Supply of 305 mm H.D. Exhaust Fan with foolowing specifications, Power supply: 1 phase 230v, 50Hz AC supply, Speed: 900 RPM, free air flow :1275 m3/h, Noise level: 50 dB - 55 dB, corrosion resistant body, minimal noise operation & maintenance free design, Totally enclosed, highly efficient heavy duty motor with pressure die cast aluminium rotor mounted on two ball bearings, aerodynamically contoured blades handle maximum air with minimum power consumption, rigid frame with rubber mountings for silent operation, Conforming to IS: 2312 -1967, IP55 rated product (protected from limited dust ingress and from low pressure water jets from any direction)

Supply of 450 mm H.D. Exhaust Fan with foolowing specifications, Power supply: 1 phase 230v, 50Hz AC supply, Speed: 900 RPM, free air flow :1275 m3/h, Noise level: 50 dB - 55 dB, corrosion resistant body, minimal noise operation & maintenance free design, Totally enclosed, highly efficient heavy duty motor with pressure die cast aluminium rotor mounted on two ball bearings, aerodynamically contoured blades handle maximum air with minimum power consumption, rigid frame with rubber mountings for silent operation, Conforming to IS: 2312 -1967, IP55 rated product (protected from limited dust ingress and from low pressure water jets from any direction)